| Country | United States (US) |
| UN/LOCODE | 3DF |
| Name | Middlefield |
| Name Without Diacritics | Middlefield |
| Region | MA |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1607 |
| Location (UN Format) | 4220N 07300W |
| Country | United States (US) |
| UN/LOCODE | 3DF |
| Name | Middlefield |
| Name Without Diacritics | Middlefield |
| Region | MA |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1607 |
| Location (UN Format) | 4220N 07300W |